An engine assembly and a method of control thereof is provided. The engine assembly comprises: an exhaust gas aftertreatment device having an inlet for receiving exhaust gases leaving an engine; a heater for selectively heating gases at or upstream of the exhaust gas aftertreatment device; an air moving device for driving a flow of gases into the inlet of the exhaust gas aftertreatment device when the engine is in a non-running condition; and a controller configured to, prior to the engine being started: operate the heater to heat gases at or upstream of the inlet; and operate the air moving device to drive a flow of gases into the inlet to thereby heat the exhaust gas treatment device.

An engine assembly and a method of control thereof is provided. The engine assembly comprises: an exhaust gas aftertreatment device having an inlet for receiving exhaust gases leaving an engine; a heater for selectively heating gases at or upstream of the exhaust gas aftertreatment device; an air moving device for driving a flow of gases into the inlet of the exhaust gas aftertreatment device when the engine is in a non-running condition; and a controller configured to, prior to the engine being started: operate the heater to heat gases at or upstream of the inlet; and operate the air moving device to drive a flow of gases into the inlet to thereby heat the exhaust gas treatment device.

It is aimed to provide an internal combustion engine (10) comprising: an exhaust line (13) configured to receive exhaust gas from the internal combustion engine (10). An intake line (12) is configured to supply pressurized air from an air intake to the internal combustion engine. A heater (20) is disposed adjacent the exhaust line (13) to generate heat that is transported via the exhaust line to an exhaust aftertreatment system (30). A bypass line (11) controllably connects the intake line to the exhaust line to bypass the engine An electric flow generator (40) is arranged in the intake line and/or bypass line between the air intake and the inlet opening to supply intake air to the exhaust line; and a control system is arranged to selectively control the bypass line (11) to provide pressurized intake air from the electric flow generator, via the inlet opening (17) to supply intake air to the exhaust line for transporting heat generated by the heater towards the aftertreatment system.

It is aimed to provide an internal combustion engine (10) comprising: an exhaust line (13) configured to receive exhaust gas from the internal combustion engine (10). An intake line (12) is configured to supply pressurized air from an air intake to the internal combustion engine. A heater (20) is disposed adjacent the exhaust line (13) to generate heat that is transported via the exhaust line to an exhaust aftertreatment system (30). A bypass line (11) controllably connects the intake line to the exhaust line to bypass the engine An electric flow generator (40) is arranged in the intake line and/or bypass line between the air intake and the inlet opening to supply intake air to the exhaust line; and a control system is arranged to selectively control the bypass line (11) to provide pressurized intake air from the electric flow generator, via the inlet opening (17) to supply intake air to the exhaust line for transporting heat generated by the heater towards the aftertreatment system.

The present disclosure relates to a media gap motor for a turbocharger. The proposed media gap motor contains a rotor and a stator, wherein the stator comprises multiple fins which extend from an inner portion radially towards the rotor in a flow chamber formed between the stator and the rotor. The fins do not extend by means of their inner portions as far as the rotor, and therefore a gap is formed between an inner end of the fins and the rotor, wherein in internal diameter of the fins is at least 1.2 times and at most 3 times an external diameter of the rotor.

A method for controlling operation of an opposed piston engine is provided, comprising: determining a direction of rotation of the engine; comparing the determined direction of rotation to a correct direction of rotation of the engine; and responding to the determined direction of rotation being different from the correct direction of rotation by taking corrective action.

A method for controlling operation of an opposed piston engine is provided, comprising: determining a direction of rotation of the engine; comparing the determined direction of rotation to a correct direction of rotation of the engine; and responding to the determined direction of rotation being different from the correct direction of rotation by taking corrective action.

An intake system for use with an internal combustion engine having one or more cylinders. The intake system including a compressor assembly having an inlet and an outlet, and where the outlet is configured to be open to and in fluid communication with at least one of the one or more cylinders. The intake system also includes a passageway extending between and in fluid communication with the inlet and the outlet and configured to direct a first flow of gasses and a controller in operable communication with the compressor assembly. Where the intake system is operable in a first mode in which the majority of gasses of the first flow of gasses flow through the passageway toward the outlet, and a second mode in which the majority of gasses of the first flow of gasses flow through the passageway toward the inlet.

An intake system for use with an internal combustion engine having one or more cylinders. The intake system including a compressor assembly having an inlet and an outlet, and where the outlet is configured to be open to and in fluid communication with at least one of the one or more cylinders. The intake system also includes a passageway extending between and in fluid communication with the inlet and the outlet and configured to direct a first flow of gasses and a controller in operable communication with the compressor assembly. Where the intake system is operable in a first mode in which the majority of gasses of the first flow of gasses flow through the passageway toward the outlet, and a second mode in which the majority of gasses of the first flow of gasses flow through the passageway toward the inlet.

A method for operating an internal combustion engine, which comprises a combustion engine, a fresh gas line into which a fresh gas compressor is integrated, wherein the fresh gas compressor can be driven by an electric motor, and an exhaust gas line, in which an exhaust turbine, which has a variable turbine geometry, a bypass line with a bypass valve for bypassing the exhaust turbine as required, and, downstream of the exhaust turbine and the bypass line, an exhaust gas aftertreatment component are integrated, wherein if, during operation of the combustion engine, an operating temperature of the exhaust gas aftertreatment component is below a set temperature, the bypass line is at least temporarily released, the fresh gas compressor is driven by the electric motor, and the VTG is set to a closed position of at least 50% or at least 80% or at least 90% or 100%.